<html><head>
<style type="text/css">
body {
  background-color: #eee;
}

#data { display:none }

tag {
  display: block;
  color: blue;
  margin-left: 1em;
  font-weight: bold;
}
tag:before { content: '<' attr(name) '>'; }
tag:after { content: '</' attr(name) '>'; }

tag[marked="true"] {
  display: block;
  color: green;
  margin-left: 1em;
  font-weight: bold;
}

text {
  display: block;
  color: black;
  margin-left: 1em;
  font-weight: normal;
}
text:before { content: "#text : \"" attr(value) "\""}
</style>
</head><body></body></html>